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We propose the Neural Vector Space Model (NVSM), a method that learns representations of documents in an unsupervised manner for news article retrieval. In the NVSM paradigm, we learn low-dimensional representations of words and documents…

Information Retrieval · Computer Science 2018-08-21 Christophe Van Gysel , Maarten de Rijke , Evangelos Kanoulas

In this paper we present an image retrieval system based on Gabor texture features, steganography, and mobile agents.. By employing the information hiding technique, the image attributes can be hidden in an image without degrading the image…

Cryptography and Security · Computer Science 2007-05-23 Sabu . M Thampi , K. Chandra Sekaran

Super-resolution reconstruction techniques entail the utilization of software algorithms to transform one or more sets of low-resolution images captured from the same scene into high-resolution images. In recent years, considerable…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Hao Yan , Zixiang Wang , Zhengjia Xu , Zhuoyue Wang , Zhizhong Wu , Ranran Lyu

With the recent advancements in information technology there has been a huge surge in amount of data available. But information retrieval technology has not been able to keep up with this pace of information generation resulting in over…

Computation and Language · Computer Science 2017-10-24 Nishant Nikhil , Muktabh Mayank Srivastava

Most content-based image retrieval systems consider either one single query, or multiple queries that include the same object or represent the same semantic information. In this paper we consider the content-based image retrieval problem…

Information Retrieval · Computer Science 2015-06-18 Ko-Jen Hsiao , Jeff Calder , Alfred O. Hero

Cross-modal retrieval is an important functionality in modern search engines, as it increases the user experience by allowing queries and retrieved objects to pertain to different modalities. In this paper, we focus on the image-sentence…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Nicola Messina , Giuseppe Amato , Fabrizio Falchi , Claudio Gennaro , Stéphane Marchand-Maillet

Recent works have proven the effectiveness of k-nearest-neighbor machine translation(a.k.a kNN-MT) approaches to produce remarkable improvement in cross-domain translations. However, these models suffer from heavy retrieve overhead on the…

Computation and Language · Computer Science 2025-01-07 Xiangyu Shi , Yunlong Liang , Jinan Xu , Yufeng Chen

Content-based image retrieval has seen astonishing progress over the past decade, especially for the task of retrieving images of the same object that is depicted in the query image. This scenario is called instance or object retrieval and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Björn Barz , Joachim Denzler

Humans have an incredible ability to process and understand information from multiple sources such as images, video, text, and speech. Recent success of deep neural networks has enabled us to develop algorithms which give machines the…

Computer Vision and Pattern Recognition · Computer Science 2019-03-18 Dheeraj Peri , Shagan Sah , Raymond Ptucha

Nearest neighbor search (NNS) aims to locate the points in high-dimensional space that is closest to the query point. The brute-force approach for finding the nearest neighbor becomes computationally infeasible when the number of points is…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Deepak Gupta , Russell Loane , Soumya Gayen , Dina Demner-Fushman

Accurately retrieving images that are semantically similar remains a fundamental challenge in computer vision, as traditional methods often fail to capture the relational and contextual nuances of a scene. We introduce PRISm (Pruning-based…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Dimitrios Georgoulopoulos , Nikolaos Chaidos , Angeliki Dimitriou , Giorgos Stamou

With the widespread adoption of digital devices equipped with cameras and the rapid development of Internet technology, numerous content-based image retrieval systems and novel image feature extraction techniques have emerged in recent…

Computer Vision and Pattern Recognition · Computer Science 2024-11-25 Ashkan Nejad , Mohammad Reza Faraji , Xiaojun Qi

Sketch-based query formulation is very common in image and video retrieval as these techniques often complement textual retrieval methods that are based on either manual or machine generated annotations. In this paper, we present a…

Multimedia · Computer Science 2019-09-30 Luca Rossetto , Ralph Gasser , Heiko Schuldt

Promising results for subjective image quality prediction have been achieved during the past few years by using convolutional neural networks (CNN). However, the use of CNNs for high resolution image quality assessment remains a challenge,…

Computer Vision and Pattern Recognition · Computer Science 2021-06-03 Jari Korhonen , Yicheng Su , Junyong You

Localization is an essential capability for mobile robots. A rapidly growing field of research in this area is Visual Place Recognition (VPR), which is the ability to recognize previously seen places in the world based solely on images.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Stefan Schubert , Peer Neubert , Sourav Garg , Michael Milford , Tobias Fischer

A concept may reflect either a concrete or abstract idea. Given an input image, this paper seeks to retrieve other images that share its central concepts, capturing aspects of the underlying narrative. This goes beyond conventional…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Ori Nizan , Oren Shrout , Ayellet Tal

An intuitive way to search for images is to use queries composed of an example image and a complementary text. While the first provides rich and implicit context for the search, the latter explicitly calls for new traits, or specifies how…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Ginger Delmas , Rafael Sampaio de Rezende , Gabriela Csurka , Diane Larlus

Content-based image retrieval is the process of retrieving a subset of images from an extensive image gallery based on visual contents, such as color, shape or spatial relations, and texture. In some applications, such as localization,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Saeideh Yousefzadeh , Hamidreza Pourreza , Hamidreza Mahyar

Multi-modal Knowledge Graphs (MMKGs) have been widely applied across various domains for knowledge representation. However, the existing MMKGs are significantly fewer than required, and their construction faces numerous challenges,…

Artificial Intelligence · Computer Science 2025-04-21 Yajing Xu , Zhiqiang Liu , Jiaoyan Chen , Mingchen Tu , Zhuo Chen , Jeff Z. Pan , Yichi Zhang , Yushan Zhu , Wen Zhang , Huajun Chen

The improvement of the accuracy of image query retrieval used image classification technique. Image classification is well known technique of supervised learning. The improved method of image classification increases the working efficiency…

Computer Vision and Pattern Recognition · Computer Science 2013-11-28 Abhishek Pandey , Anjna Jayant Deen , Rajeev Pandey
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